StarWarsArrays.jl
functorch
StarWarsArrays.jl | functorch | |
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10 | 11 | |
122 | 1,372 | |
- | 0.4% | |
0.0 | 0.0 | |
almost 2 years ago | 1 day ago | |
Julia | Jupyter Notebook | |
GNU General Public License v3.0 or later | BSD 3-clause "New" or "Revised" License |
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StarWarsArrays.jl
- Star Wars Arrays
- It starts at 0 right?
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PyCharm is the worst IDE I have used. /s
I raise you https://github.com/giordano/StarWarsArrays.jl
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How do some of my coworkers still use ML
Why not Star Wars Indices (4,5,6,1,2,3,7,8,9...)? https://github.com/giordano/StarWarsArrays.jl
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Dealing with strings in Julia, patterns and anti-patterns
> The documentation disagrees about string indices not starting with 1 As priorly said, I'm speaking about strings, not `String` in particular. So, to write code which work for all AbstractString (which have basic string functions), you must not assume that the first indexing is 1, you can have degenerate cases such as : https://github.com/giordano/StarWarsArrays.jl (this is for vectors, but creating a similar type, for AbstractString isn't impossible) or just strings with an offset indexing.
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The counter-intuitive rise of Python in scientific computing
There are other choices like https://github.com/simonster/TwoBasedIndexing.jl and https://github.com/giordano/StarWarsArrays.jl if you do not like 1-based indexing.
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PyTorch: Where we are headed and why it looks a lot like Julia (but not exactly)
This is a total non issue as indexing is an operation that is subject to multiple dispatch. For a humorous example see https://github.com/giordano/StarWarsArrays.jl
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Arrays start from bony[1]
The cool thing with Julia is that array indices aren't inherent properties, and may be changed locally by using appropriate wrappers. This means that the same underlying array may start at 0 in one part of the code, at 1 in another, and perhaps use the star-wars indexing in yet another section if that's necessary.
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Why does Julia adopt 1-based index?
Adding https://github.com/giordano/StarWarsArrays.jl to the list for some extra spice
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some may hate it, some may love it
You should also check out https://github.com/giordano/StarWarsArrays.jl and https://github.com/giordano/RandomBasedArrays.jl
functorch
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What is the most efficient approach to ensemble a pytorch actor-critic model?
I would suggest checking https://pytorch.org/functorch/ and https://github.com/metaopt/torchopt for efficient inference and training with ensembles (e.g., t be independent actors in a multi-agent setting or multiple critics).
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[P] Multidimensional array batch indexing for pytorch and numpy
There were some bugs still with advanced indexing in an older release of functorch, I believe they should be fixed now though: https://github.com/pytorch/functorch/pull/862
- Functorch: Jax-like composable function transforms for PyTorch
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Jax vs. Julia (Vs PyTorch)
Tangentially related but there is an effort to get some of the features of JAX into PyTorch: https://pytorch.org/functorch/
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[D] Current State of JAX vs Pytorch?
Fwiw, composable vmap and stuff like that have also been implemented in PyTorch now - see functorch :) https://github.com/pytorch/functorch
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[D] Ideal deep learning library
Fwiw, it’s not like Pytorch’s design prevents function transformations from being implemented. See functorch for an example of grad/vmap function transforms: https://github.com/pytorch/functorch
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[P] Made Some Pytorch Modules For Agent Systems
You may find vmap from functorch to be quite useful: https://github.com/pytorch/functorch
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[D] Are you using PyTorch or TensorFlow going into 2022?
If you're interested in function transformations in PyTorch, try out functorch :) https://github.com/pytorch/functorch
- PyTorch: Where we are headed and why it looks a lot like Julia (but not exactly)
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Show HN: How does Jax allocate memory on a TPU? An interactive C++ walkthrough
The pytorch programming model is just really hard to adapt to an XLA-like compiler. Imperative python code doesn't translate to an ML graph compiler particularly well; Jax's API is functional, so it's easier to translate to the XLA API. By contrast, torch/xla uses "lazy tensors" that record the computation graph and compile when needed. The trouble is, if the compute graph changes from run to run, you end up recompiling a lot.
I guess in Jax you'd just only apply `jax.jit` to the parts where the compute graph is static? I'd be curious to see examples of how this works in practice. Fwiw, there's an offshoot of pytorch that is aiming to provide this sort of API (see https://github.com/pytorch/functorch and look at eager_compilation.py).
(Disclaimer: I worked on this until quite recently.)
What are some alternatives?
OffsetArrays.jl - Fortran-like arrays with arbitrary, zero or negative starting indices.
jax - Composable transformations of Python+NumPy programs: differentiate, vectorize, JIT to GPU/TPU, and more
TailRec.jl - A tail recursion optimization macro for julia.
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TwoBasedIndexing.jl - Two-based indexing
onnx-simplifier - Simplify your onnx model
Cython - The most widely used Python to C compiler
torch2trt - An easy to use PyTorch to TensorRT converter
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BinaryBuilder.jl - Binary Dependency Builder for Julia
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